@node Function reference
@appendix Function Reference
@cindex function reference

@menu
* Core functions::
* X509 certificate functions::
* GnuTLS-extra functions::
* OpenPGP functions::
@end menu

@node Core functions
@section Core Functions

The prototypes for the following functions lie in
@file{gnutls/gnutls.h}.

@include gnutls-api.texi

@node X509 certificate functions
@section @acronym{X.509} Certificate Functions
@cindex @acronym{X.509} Functions

The following functions are to be used for @acronym{X.509} certificate handling.
Their prototypes lie in @file{gnutls/x509.h}.

@include x509-api.texi

@node GnuTLS-extra functions
@section @acronym{GnuTLS-extra} Functions
@cindex @acronym{GnuTLS-extra} functions

These functions are only available in the GPLv3+ version of the
library called @code{gnutls-extra}. The prototypes for this library
lie in @file{gnutls/extra.h}.

@include extra-api.texi

@node OpenPGP functions
@section @acronym{OpenPGP} Functions
@cindex @acronym{OpenPGP} functions

The following functions are to be used for @acronym{OpenPGP}
certificate handling.  Their prototypes lie in
@file{gnutls/openpgp.h}.

@include pgp-api.texi